Overview
The 74HC390D,653 is a dual 4-bit decade ripple counter produced by Nexperia USA Inc. This integrated circuit is designed for applications requiring a count capability of up to 99. It is part of the 74HC series and is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package. The device features two separately clocked sections, each with two divide-by-2 and two divide-by-5 sections, allowing for various counting configurations such as BCD decade or bi-quinary decade operations.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | Nexperia |
| Voltage - Supply | 2 V ~ 6 V |
| Trigger Type | Negative Edge |
| Package / Case | 16-SOIC (0.154', 3.90mm Width) |
| Package | Tape & Reel (TR) |
| Logic Type | Counter, Decade |
| Direction | Up |
| Count Rate | 71 MHz |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Mounting Type | Surface Mount |
| Reset | Asynchronous |
| Operating Temperature | -40°C ~ 125°C |
| RoHs Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Key Features
- Dual 4-bit decade ripple counter with two separately clocked sections.
- Divide-by-2 and divide-by-5 sections for various counting configurations.
- Asynchronous master reset input to clear all 8 bits of the counter.
- High noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
- CMOS logic levels with reduced input threshold levels for interfacing to TTL logic levels.
- Clamp diodes on inputs to enable the use of current limiting resistors.
- Configurable for BCD decade or bi-quinary decade operations.
- Supply voltage range from 2 V to 6 V.
Applications
The 74HC390D,653 is versatile and can be used in a variety of applications, including:
- Automotive systems: For counting and timing functions in vehicle control systems.
- Industrial control systems: For monitoring and controlling industrial processes.
- Consumer electronics: In devices requiring precise timing and counting functions.
- Computing and data processing: For frequency division and timing applications.
- Medical devices: Where accurate counting and timing are critical.
Q & A
- What is the 74HC390D,653 used for?
The 74HC390D,653 is a dual 4-bit decade ripple counter used for counting and timing functions in various electronic applications.
- What is the package type of the 74HC390D,653?
The 74HC390D,653 is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package.
- What is the supply voltage range for the 74HC390D,653?
The supply voltage range for the 74HC390D,653 is from 2 V to 6 V.
- What is the maximum count rate of the 74HC390D,653?
The maximum count rate of the 74HC390D,653 is 71 MHz.
- Is the 74HC390D,653 RoHS compliant?
- What are the operating temperature ranges for the 74HC390D,653?
The operating temperature range for the 74HC390D,653 is -40°C to 125°C.
- How many bits per element does the 74HC390D,653 have?
The 74HC390D,653 has 4 bits per element.
- What type of reset does the 74HC390D,653 have?
The 74HC390D,653 has an asynchronous reset.
- Can the 74HC390D,653 be configured for different counting modes?
- What is the trigger type of the 74HC390D,653?
The trigger type of the 74HC390D,653 is negative edge triggered.
